Réamhaisnéis limistear na farraige
Forecast valid from: 06:00, Tuesday 18 November 2025 until 06:00, Wednesday 19 November 2025
Small Craft Warning
Westerly winds veering northwest to north will reach force 6 or higher this morning (Tuesday) on Irish coasts from Loop Head to Malin Head to Wicklow Head, extending to all coasts this afternoon.
Gale Warning
Northerly winds will reach gale force 8 at times later on Irish coastal waters from Slyne Head to Rossan Point to Malin Head and also on Irish coastal waters from Howth Head to Wicklow Head to Carnsore Point and on the South Irish Sea.
Meteorological Situation at 03:00 UTC
A shallow but deepening depression of 1013hPa centred just to the northwest of Scotland is generating a moderate to fresh, occasionally strong, westerly airflow over Ireland. Associated fronts will track southwards over the country during the period.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Slyne Head to Malin head to Howth Head and for the North Irish Sea
Wind: Westerly force 5 or 6. Imminent increasing west to northwest force 5 to 7 and gusty. Soon veering northwest to north and increasing to gale force 8 at times. Later increasing northerly force 6 to gale force 8, but decreasing force 6 or 7 at the end of the period.
Weather: Rain, drizzle and mist imminent clearing southeastwards followed by showers, some heavy with a chance of hail and isolated thunderstorms near the north coast, and on the South Irish Sea later.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Forecast for Irish coastal waters from Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Westerly force 4 or 5. Imminent veering northwest. Soon increasing force 5 or 6, occasionally force 7 and gusty. Later veering northwest to north and increasing force 6 to gale force 8.
Weather: Rain, drizzle and mist imminent clearing southeastwards followed by showers, some heavy with a chance of hail and isolated thunderstorms near the north coast, and on the South Irish Sea later.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Outlook for a further 24 hours until 06:00, Thursday 20 November 2025
Strong to near gale northerly winds, occasionally touching gale force 8 in the southeast at first. Winds decreasing fresh to strong in the west and southwest on Wednesday morning, but continuing mostly strong to near gale elsewhere. Weather; Scattered showers, some of hail and sleet with isolated thunderstorms possible near the north coast and on the Irish Sea. Otherwise fair.
Forecast issued at: 06:00, Tuesday 18 November 2025
All times are local unless specified
